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What is meant by subwoofer room pressurization?

I've recently been researching some subwoofers and people frequently mention the fact that they pressurize the room, supposedly resulting in better sound, not just better bass. Could somebody please explain this to me? I've searched other threads, but to no avail.

Thanks in advance,

Russ
rustler
bondmanp
1,826 posts
 
It's one of those things that you'll understand once you experience it. It's a sense that the whole room has become an enclosure for your bass drivers, and you're sitting inside the woofer's cabinet.
hew's avatar
hew
159 posts
 
Good answer Bondmanp. I'd add that you get the sense also that the air around you has become vibrant/pulsing/throbbing with energy.
brewed
39 posts
 
Bondmanp is right. If you have a good sub that can dig deep and you're minding your own business watching a movie AND all of a sudden your clothes move before you hear anything, you have experienced room pressurization.

But don't make a buying decision based on that factor. There aren't that many movies that "stimulate" you in that way. Buy one that is clean and defined down to 20hz or so and you'll be happy.

I have an SVS PB Ultra 13 and I don't run it "hot". As much as I like bass material, I don't look for it when it's just not there on the recording.

-Brew
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